Finding the Fourth Proportional to 2,515.50, 3,773.79 and 976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.50 : 3,773.79 = 976.50 : x
2. Step 2: Convert to fraction form
   2,515.50/3,773.79 = 976.50/x
3. Step 3: Cross multiply
   2,515.50x = 3,773.79 × 976.50
4. Step 4: Simplify right side
   2,515.50x = 3,685,105.94
5. Step 5: Solve for x
   x = 3,685,105.94/2,515.50
6. Step 6: Final answer
   x = 1,464.96